CN219120427U - Cockpit top lamp - Google Patents
Cockpit top lamp Download PDFInfo
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- CN219120427U CN219120427U CN202223276008.XU CN202223276008U CN219120427U CN 219120427 U CN219120427 U CN 219120427U CN 202223276008 U CN202223276008 U CN 202223276008U CN 219120427 U CN219120427 U CN 219120427U
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- light
- guide plate
- light guide
- plate
- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to the field of aviation onboard electronic equipment, in particular to a cockpit top lamp, which is used for solving the problems of uneven brightness, poor vibration resistance and small temperature difference tolerance range of products in the prior art and mainly comprises a shell, a light-emitting component, a reflecting plate, a diffusion panel and a light guide plate for enhancing the brightness uniformity of the top lamp; the light guide plate is arranged on the back of the shell, and is positioned between the top of the shell and the light guide plate; the light is emitted from the front surface of the light guide plate under the reflection of the light reflecting plate; the light guide plate comprises a crossed light area and a non-crossed light area, and the reflecting plate is arranged on the back surface of the light guide plate corresponding to the non-crossed light area; according to the utility model, through the matching of the light emitting component, the reflecting plate and the light guide plate, the light emitting uniformity of the dome lamp can be effectively improved; the utility model adopts an embedded connection mode at a plurality of positions, so that the structure compactness can be effectively improved, and the overall vibration resistance of the dome lamp is further improved.
Description
Technical Field
The utility model relates to the field of aviation onboard electronic equipment, in particular to a cockpit top lamp.
Background
The utility model aims at providing a cockpit dome lamp suitable for aviation machine carries out optimal design in the defect of the current product in this field of this cockpit dome lamp needle.
The ceiling lamp product in the prior art has the following defects: such as uneven brightness, poor vibration resistance due to loose structure, poor tolerance to environmental temperature changes (high or low temperature), etc., which results in poor customer experience and short life of the existing products in actual use. How to design an onboard ceiling lamp product with uniform brightness, better vibration resistance and strong adaptability to temperature difference becomes a problem to be solved in the field.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present utility model is to provide a ceiling lamp for a cockpit, which is used for solving the problems of uneven brightness, poor vibration resistance and small temperature difference adaptation range of the products in the prior art.
To achieve the above and other related objects, the present utility model provides a ceiling lamp comprising: the lamp comprises a shell, a light-emitting component, a reflecting plate, a diffusion panel and a light guide plate for enhancing the brightness uniformity of the dome lamp; wherein, the bottom end of the shell is opened, and the light guide plate is arranged in the shell; the light emitting components are arranged at two ends of the light guide plate in pairs and symmetrically; light rays emitted from the light emitting component enter the light guide plate perpendicular to the section of the light guide plate; the reflecting plate is arranged on the back surface of the light guide plate and is positioned between the top of the shell and the light guide plate; the light rays are emitted from the front surface of the light guide plate under the reflection of the reflecting plate; the light guide plate comprises a crossed light area and a non-crossed light area, and the reflecting plate is arranged on the back surface of the light guide plate corresponding to the non-crossed light area;
the diffusion panel is parallel to the light guide plate and arranged at the bottom of the shell, and further, the diffusion panel is made of transparent organic glass.
In the design, the luminous uniformity of the dome lamp can be effectively improved through the matching of the luminous component, the reflecting plate and the light guide plate; specifically, by comprehensively considering the light-emitting brightness of the crossed light areas and the non-crossed light areas and arranging the reflecting plate on the back surface of the light guide plate corresponding to the non-crossed light areas, the brightness uniformity of the light guide plate can be effectively balanced.
In an embodiment of the utility model, the shell is a flat rectangular housing structure, and comprises a frame shell and a cover plate, wherein the cover plate is detachably arranged at the top of the frame shell; the light guide plate and the diffusion panel are rectangular plates; the two light emitting assemblies are symmetrically arranged at the section of the long side of the light guide plate.
In the design, the split type housing structure is beneficial to improving the operability and convenience of the assembly of the dome lamp, so that the assembly efficiency of the dome lamp is improved; further, the detachable connection mode is convenient for overhauling and periodic maintenance of products.
In an embodiment of the utility model, the light reflecting plate includes a first light reflecting plate and a second light reflecting plate which are symmetrically arranged, and the first light reflecting plate and the second light reflecting plate are symmetrically arranged along the length direction of the light guiding plate and are positioned at the back of the light guiding plate corresponding to the non-crossed light area.
In the design, the arrangement mode of the first reflecting plate and the second reflecting plate can effectively reduce the brightness difference of non-crossed light areas on two sides of the crossed light area in the middle of the light guide plate, so that the brightness uniformity of the light guide plate is improved.
In an embodiment of the utility model, a limiting plate parallel to the light guide plate is disposed at the bottom opening of the frame shell, the diffusion panel is disposed between the limiting plate and the light guide plate, and a limiting protruding strip for horizontally limiting the light reflecting plate is vertically disposed on the diffusion panel.
In the above-mentioned design, through limiting plate, spacing sand grip with the cooperation of light guide plate, the convenience is right diffusion panel fixes a position and installs, can effectively improve dome lamp overall structure's compactness simultaneously, reinforcing anti-vibration performance.
In an embodiment of the utility model, a filter plate is disposed between the light emitting component and the light guide plate.
In the design, the filter plate can effectively filter light waves harmful to human bodies in the illumination of the dome lamp.
In an embodiment of the utility model, a first mounting groove for mounting the filter plate is formed on a side wall of the light guide plate, which is close to the light emitting component, and the filter plate is embedded in the first mounting groove.
In the above-mentioned design, through the cooperation of first mounting groove and filter, combine light guide plate and filter into a whole, effectively improved dome lamp overall structure's compactness, and then improved dome lamp's whole anti-vibration performance.
In an embodiment of the utility model, a second mounting groove is formed on the housing between the light guide plate and the inner side wall of the housing, and one side of the light emitting component is embedded into the second mounting groove.
In the above-mentioned design, through the second mounting groove with the cooperation of luminous subassembly, can effectively improve luminous subassembly's installation reliability, and then improve the whole anti-vibration performance of dome lamp.
In an embodiment of the utility model, the light emitting assembly includes a light source printed board and a plurality of light emitting diodes arranged in a linear array on the light source printed board.
In one embodiment of the utility model, an aviation plug assembly is mounted on the top end of the outer portion of the outer shell, one end of the aviation plug assembly is electrically connected with the light emitting assembly through an electric wire, and the other end of the aviation plug assembly is crosslinked with the lighting control system in the cab.
As described above, the ceiling lamp of the cockpit has the following beneficial effects:
(1) The luminous uniformity of the dome lamp can be effectively improved through the matching of the luminous component, the reflecting plate and the light guide plate; specifically, by comprehensively considering the light-emitting brightness of the crossed light areas and the non-crossed light areas and arranging the reflecting plate on the back surface of the light guide plate corresponding to the non-crossed light areas, the brightness uniformity of the light guide plate can be effectively balanced.
(2) The split type housing structure is beneficial to improving the operability and convenience of the assembly of the dome lamp, so that the assembly efficiency of the dome lamp is improved; further, the detachable connection mode is convenient for overhauling and periodic maintenance of products.
(3) The utility model adopts the structures of the limiting plate, the limiting raised strips, the mounting grooves and the like, so that the parts are connected in an embedded manner as much as possible, on one hand, the structure compactness can be effectively improved, and the overall vibration resistance of the dome lamp is further improved; on the other hand, the positioning convenience in product assembly can be effectively improved, and the assembly efficiency of the product is further improved.
Drawings
FIG. 1 is a top view of the overall construction of a ceiling lamp according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a cross-sectional view taken at B-B in FIG. 1;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is a top view of a frame housing according to an embodiment of the utility model;
fig. 7 is a bottom view of the frame shell according to the embodiment of the utility model.
Description of element reference numerals
The light emitting device comprises a shell 1, a light emitting component 2, a diffusion panel 4, a light guide plate 5, a crossed light region 6, a non-crossed light region 7, a first reflecting plate 8, a second reflecting plate 9, a frame shell 10, a cover plate 11, bolts 12, a supporting structure 13, a long groove 14, a skirt 15, a limit plate 16, a limit convex strip 17, a light filter 18, a first mounting groove 19, a second mounting groove 20, an aviation plug component 21, an electric wire 22, a sheath 23, a grounding structure 24, a light source printed board 25 and a light emitting diode 26.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 7. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the purpose of understanding and reading, and are not intended to limit the scope of the utility model, which is defined by the appended claims, so that any structural modifications, proportional changes, or dimensional adjustments should be made without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1, the present embodiment provides a cockpit dome lamp, which belongs to a lighting system, is installed on the top of a cockpit, and is preferably 1 stand-alone and matched with the cockpit, and is used for providing environmental lighting for a helicopter cockpit.
Referring to fig. 1-7, the ceiling lamp includes: the lamp comprises a shell 1, a luminous component 2, a reflecting plate, a diffusion panel 4 and a light guide plate 5 (also called as a printing light guide plate 5 in the industry) for enhancing the brightness uniformity of a dome lamp.
Wherein, the bottom end of the shell 1 is opened, and the light guide plate 5 is arranged in the shell 1; the light emitting components 2 are arranged in pairs and symmetrically at two ends of the light guide plate 5; light emitted from the light emitting assembly 2 enters the light guide plate 5 perpendicular to the cross section of the light guide plate 5;
the reflecting plate is arranged on the back surface of the light guide plate 5 and is positioned between the top of the shell 1 and the light guide plate 5; the light is emitted from the front surface of the light guide plate 5 under the reflection of the light reflecting plate; the light guide plate 5 includes an intersecting light region 6 and a non-intersecting light region 7, in the intersecting light region 6, the light reflected by different reflection plates overlap each other, resulting in a region having a brightness greater than that of the non-intersecting light region 7, and further resulting in a significantly uneven brightness of the entire light guide plate 5, in order to improve such a problem, in this embodiment, the reflection plate is disposed on the back surface of the light guide plate 5 corresponding to the non-intersecting light region 7; in this embodiment, the light guide plate 5 is a colorless transparent acrylic plate (polymethyl acrylic acid), the reflector is made of polyethylene, the lampshade is made of PC (polycarbonate), the service temperature range of the material is wide, the enhanced UL temperature index reaches 120-140 ℃, the outdoor long-term aging resistance is good, the temperature tolerance range of the dome lamp can be effectively improved by adopting the material, and the service life of the dome lamp is further prolonged.
The diffusion panel 4 is disposed parallel to the light guide plate 5 at the bottom of the housing 1, and the diffusion panel 4 is made of transparent organic glass.
In the design, the luminous uniformity of the dome lamp can be effectively improved through the matching of the luminous component 2, the reflecting plate and the light guide plate 5; specifically, by comprehensively considering the light-emitting brightness of the crossed light regions 6 and the non-crossed light regions 7 and arranging the reflecting plate on the back surface of the light guide plate 5 corresponding to the non-crossed light regions 7, the brightness uniformity of the light guide plate 5 can be effectively balanced.
In the present embodiment, the housing 1 is a flat rectangular casing structure, and includes a frame casing 10 and a cover plate 11, wherein the cover plate 11 is mounted on top of the frame casing 10 by a plurality of bolts 12; in the design, the split type housing structure is beneficial to improving the operability and convenience of the assembly of the dome lamp, so that the assembly efficiency of the dome lamp is improved; meanwhile, the detachable connection mode is convenient for overhauling and periodic maintenance of products.
Referring to fig. 4 and 6, further, a supporting structure 13 for supporting the cover plate 11 is formed on the inner sides of four sides of the rectangular frame shell 10, the cover plate 11 is connected with the supporting structure 13 through a plurality of bolts, and a plurality of long grooves 14 for satisfying the light weight design are formed on the supporting structure 13; further, the bottom end of the frame shell 10 is provided with a skirt 15 parallel to the diffusion panel 4.
Further, the light guide plate 5 and the diffusion panel 4 are rectangular plates; the two light emitting assemblies 2 are symmetrically arranged at the cross section of the long side of the light guide plate 5.
In this embodiment, the light reflecting plate includes a first light reflecting plate 8 and a second light reflecting plate 9 which are symmetrically arranged, and the first light reflecting plate 8 and the second light reflecting plate 9 are symmetrically arranged along the length direction of the light guiding plate 5 and are located at the back of the light guiding plate 5 corresponding to the non-intersecting light region 7. In the design, the arrangement mode of the first reflecting plate 8 and the second reflecting plate 9 can effectively reduce the brightness difference of the non-crossed light areas 7 at two sides of the crossed light area 6 in the middle of the light guide plate 5, thereby improving the brightness uniformity of the light guide plate 5.
In this embodiment, the bottom opening of the frame shell 10 is provided with a limiting plate 16 parallel to the light guide plate 5, the diffusion panel 4 is disposed between the limiting plate 16 and the light guide plate 5, and the diffusion panel 4 is vertically provided with a limiting convex strip 17 for horizontally limiting the light reflecting plate. Through the cooperation of limiting plate 16, spacing sand grip 17 and light guide plate 5, conveniently fix a position and install diffusion panel 4, can effectively improve dome lamp overall structure's compactness simultaneously, strengthen anti-vibration performance.
In the present embodiment, a filter 18 is disposed between the light emitting module 2 and the light guide plate 5. In the present embodiment, the filter 18 is elongated and has the same length as the light guide plate 5. By providing the filter 18, light waves harmful to human body in the illumination of the dome lamp can be effectively filtered. In this example, the filter 18 is a QB39 glass sheet.
Further, a first mounting groove 19 for mounting the filter 18 is formed on the side wall of the light guide plate 5, which is close to the light emitting component 2, and the filter 18 is embedded in the first mounting groove 19. Through the cooperation of first mounting groove 19 and filter plate 18, combine light guide plate 5 and filter plate 18 as a whole, effectively improved dome lamp overall structure's compactness, and then improved dome lamp's whole anti-vibration performance.
In this embodiment, a second mounting groove 20 is formed on the housing 1 between the light guide plate 5 and the inner side wall of the housing 1, and specifically, the second mounting groove 20 is disposed between the supporting structure 13 and the limiting protruding strip 17; one side of the light emitting module 2 is fitted into the second mounting groove 20. Through the cooperation of second mounting groove 20 and luminous subassembly 2, can effectively improve luminous subassembly 2's installation reliability, and then improve the whole anti-vibration performance of dome lamp.
In this embodiment, the light emitting assembly 2 includes a light source printed board 25 and a plurality of light emitting diodes 26 arranged in a linear array on the light source printed board 25, wherein the light source printed board 25 is connected with the frame case 10 through a back adhesive, and the light emitting diodes 26 adopt white light LEDs.
In this embodiment, the outer top end of the housing 1 is provided with an aviation plug assembly 21, one end of the aviation plug assembly 21 is electrically connected with the light emitting assembly 2 through an electric wire 22, and the other end is crosslinked with the lighting control system in the cab. Further, a through hole for the electric wire 22 to go in and out is formed in the middle of the cover plate 11, a non-metal sheath 23 for reducing abrasion of the electric wire 22 by a user is arranged at the through hole, and a heat-shrinkable sleeve is coated on the electric wire 22.
Further, the cover plate 11 is further provided with a grounding structure 24 to prevent electric shock accidents.
In summary, the utility model comprehensively considers the light-emitting brightness of the crossed light area and the non-crossed light area, and the reflector is arranged on the back surface of the light guide plate corresponding to the non-crossed light area, so that the brightness uniformity of the light guide plate can be effectively balanced; the utility model adopts the structures of the limiting plate, the limiting raised strips, the mounting grooves and the like, so that the parts are connected in an embedded manner as much as possible, on one hand, the structure compactness can be effectively improved, and the overall vibration resistance of the dome lamp is further improved; on the other hand, the positioning convenience in the assembly process of the product can be effectively improved, and the assembly efficiency of the product is further improved; according to the utility model, the light guide plate adopts a colorless transparent acrylic plate (polymethyl acrylic acid), the reflecting plate is made of polyethylene, the lampshade adopts PC (polycarbonate) material, the service temperature range of the material is wide, the outdoor long-term aging resistance is good, the temperature tolerance range of the dome lamp can be effectively improved, and the service life of the dome lamp is further prolonged. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (9)
1. A cockpit dome lamp, comprising: the lamp comprises a shell, a light-emitting component, a reflecting plate, a diffusion panel and a light guide plate for enhancing the brightness uniformity of the dome lamp;
wherein, the bottom end of the shell is opened, and the light guide plate is arranged in the shell; the light emitting components are arranged at two ends of the light guide plate in pairs and symmetrically; light rays emitted from the light emitting component enter the light guide plate perpendicular to the section of the light guide plate;
the reflecting plate is arranged on the back surface of the light guide plate and is positioned between the top of the shell and the light guide plate; the light rays are emitted from the front surface of the light guide plate under the reflection of the reflecting plate; the light guide plate comprises a crossed light area and a non-crossed light area, and the reflecting plate is arranged on the back surface of the light guide plate corresponding to the non-crossed light area;
the diffusion panel is arranged at the bottom of the shell in parallel with the light guide plate.
2. The ceiling lamp of claim 1, wherein: the shell is of a flat rectangular housing structure and comprises a frame shell and a cover plate, and the cover plate is detachably arranged at the top of the frame shell; the light guide plate and the diffusion panel are rectangular plates; the two light emitting assemblies are symmetrically arranged at the section of the long side of the light guide plate.
3. The ceiling lamp of claim 2, wherein: the light reflecting plate comprises a first light reflecting plate and a second light reflecting plate which are symmetrically arranged, wherein the first light reflecting plate and the second light reflecting plate are symmetrically arranged along the length direction of the light guiding plate and are positioned on the back surface of the light guiding plate corresponding to the non-crossed light area.
4. The ceiling lamp of claim 2, wherein: the bottom end opening part of the frame shell is provided with a limiting plate parallel to the light guide plate, the diffusion panel is arranged between the limiting plate and the light guide plate, and the limiting plate is vertically provided with a limiting convex strip for horizontally limiting the diffusion panel.
5. The ceiling lamp of claim 1, wherein: and a filter plate is arranged between the light emitting component and the light guide plate.
6. The ceiling lamp of claim 5, wherein: the side wall of the light guide plate, which is close to the light emitting assembly, is provided with a first mounting groove for mounting the light filter plate, and the light filter plate is embedded in the first mounting groove.
7. The ceiling lamp of claim 1, wherein: a second mounting groove is formed in the shell and located between the light guide plate and the inner side wall of the shell, and one side of the light emitting component is embedded into the second mounting groove.
8. The ceiling lamp of claim 1, wherein: the light emitting assembly comprises a light source printed board and a plurality of light emitting diodes which are arranged on the light source printed board in a linear array.
9. The ceiling lamp of claim 1, wherein: and an aviation plug assembly is arranged at the top end outside the shell, one end of the aviation plug assembly is electrically connected with the light-emitting assembly through an electric wire, and the other end of the aviation plug assembly is crosslinked with the lighting control system in the cockpit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223276008.XU CN219120427U (en) | 2022-12-07 | 2022-12-07 | Cockpit top lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223276008.XU CN219120427U (en) | 2022-12-07 | 2022-12-07 | Cockpit top lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219120427U true CN219120427U (en) | 2023-06-02 |
Family
ID=86526501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223276008.XU Active CN219120427U (en) | 2022-12-07 | 2022-12-07 | Cockpit top lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219120427U (en) |
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2022
- 2022-12-07 CN CN202223276008.XU patent/CN219120427U/en active Active
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